Liz Warner is a fictitious character on the American television show Numb3rs

NUMB3RS

Numb3rs is an American television drama which premiered on CBS on January 23, 2005, and concluded on March 12, 2010. The series was created by Nicolas Falacci and Cheryl Heuton, and follows FBI Special Agent Don Eppes and his mathematical genius brother, Charlie Eppes , who helps Don solve crimes...

. A former girlfriend of FBI Special agent Don Eppes

Don Eppes

Don Eppes is the main fictional character in the television show Numb3rs. He is played by Rob Morrow.Don is an FBI Special Agent who runs the FBI Violent Crimes Squad in Los Angeles. Don recruits his mathematical genius brother, Charlie Eppes, to help him and the Bureau solve some of their most...

, she has since become a part of Don's team.

Evolution over the series

Liz is a special agent at the FBI Organized Crime Division and the former love interest of Don Eppes. They met when Don was her tactical training instructor at Quantico. According to Don, she was very wild while in Quantico.
In the episode "In Security", it appeared as though Don and Liz broke up due to Don's trust issues. Liz and Don ended their affair in the episode "Tabu." Liz later revealed that Don couldn't make the commitment because he was still in love with Robin Brooks. Liz has since returned to the series as a regular cast member.

Creation

Since series regular Diane Farr was pregnant and expected to be on maternity leave, the producers and writers wanted to maintain a feminine perspective on the FBI team. They also wanted to explore some of Don's commitment issues. They decided to create Liz Warner to satisfy both desires. To prepare for her role, Sumika spends time at the firing range. Sumika was already familiar with shooting a gun before her role on Numb3rs; she used one in her first TV series several years before.For season five, Sumika was added as a regular cast member.